How to do a fast gpu dvfs on Jetson Xavier NX

Hi, I want to set the GPU frequency manually on Jetson Xavier NX. I can do this by setting the value in the /sys/devices/17000000.gv11b/devfreq/17000000.gv11b/userspace/set_freq file after changing the governor to userspace. However, this process will cost about 2ms that is too slow for me. Thus, I want to know if there are some other methods to do a faster dvfs (maybe 0.2ms).
Thanks in advance!

We would suggest use default DVFS, or execute sudo jetson_clocks to run in maximum frequency. If you would like to manually control the frequency, the approach looks fine and there is no other faster way of doing it.


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